[PATCH] ARM: imx: provide twd clock lookup from device tree

[Shawn Guo]

On Thu, Apr 04, 2013 at 12:02:43AM +0800, Shawn Guo wrote:
> While booting from device tree, imx6q used to provide twd clock lookup
> by calling clk_register_clkdev() in clock driver.  However, the commit
> bd60345 (ARM: use device tree to get smp_twd clock) forces DT boot to
> look up the clock from device tree.  It causes the failure below when
> twd driver tries to get the clock, and hence kernel has to calibrate the
> local timer frequency.
> 
>  smp_twd: clock not found -2
>  ...
>  Calibrating local timer... 396.13MHz.
> 
> Fix the regression by providing twd clock lookup from device tree, and
> remove the unused twd clk_register_clkdev() call from clock driver.
> 
> Signed-off-by: Shawn Guo <shawn.guo at linaro.org>
> ---
> Arnd, Olof,
> 
> This is a fix for 3.9.

I will have this included in the pull request that is to be sent.

Shawn